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Summary

Wikipedia Source: Nick Diaz Nickolas Robert Nick Diaz is an American mixed martial artist who is currently signed with the Ultimate Fighting Championship. A two-time world champion, Diaz has been a professional competitor since 2001. In addition to the UFC, he has competed for PRIDE, Strikeforce, EliteXC, the WEC, DREAM, and Shooto. He is a former Strikeforce Welterweight Champion and a former WEC Welterweight Champion.